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Ma on shan series pressure sensitive adhesive complaints

by:Sinograce Chemical     2020-11-01
Ma on shan full series pressure sensitive adhesive complaints ma on shan full series pressure sensitive adhesive complaints compared with the rubber pressure-sensitive adhesive, which has many advantages: colorless transparent appearance and has good weatherability; Generally don't have to use additives, such as the viscosity resin, softener and stabilizer can get very good pressure sensitive adhesive performance, so the formula is simple; Using copolymerization and cross-linking can satisfy different performance requirements of system pressure sensitive adhesive. 2, can also be observed in appearance, if the hot melt adhesive glue type, do manual work is coarser, then the quality. 3, can put the hot melt adhesive melts tested on tensile strength, tensile strength of hot melt adhesive is not qualified. Hot melt adhesive observe whether there is a powdery material after melting, if there is a powdery material specification packing, adhesive performance is poor. With heat resistance performance, good quality hot melt adhesive, you can put the hot melt adhesive in zero or more than 40 degrees respectively environment for testing, if there are brittle, soft gelatin said quality is bad now. ( 7] 1 - after coating Organic silicon and other resin pressure-sensitive adhesive composed of organic silicone resin and organic silicone rubber pressure-sensitive adhesive, has excellent high temperature resistance and aging resistance, is a kind of important special pressure sensitive adhesive, its main purpose is to make all kinds of high-grade pressure-sensitive adhesive products. This function is to make the abrasive particles, in accordance with the requirements of a certain spatial relations adhesive in each other - Up to provide mechanical strength and maintain the integrity of the composite materials. At present good quality hot melt adhesive can be used in the field of industrial manufacturing, heat resistance performance and flame retardant performance is guaranteed, the current can reach the quality requirements must be big brand products, such as ke, Moore, focus on the study of the hot melt adhesive, provide customized hot melt adhesive application solutions, wide range of USES, can be applied to new energy, military industry, aviation, shipbuilding, electronics, automobiles, instrument, power supply, high iron, and other areas of the industry. Prepare two test. In unit mixer, constant pressure drop funnel, reflux condenser and the 250 ml of the thermometer three flask, add 2. Ethylene alcohol and deionized water 90 g 5 g. In bonded abrasive products, the main purpose of the sticky material is used as structure adhesive. Although some hot melt adhesive at the time of operation will be some smell, but is completely disappeared after curing, so the hot melt adhesive is safe, can be used in electrical parts of adhesive. Ma on shan full range of pressure sensitive adhesive complaints and check the usage of the dryer. Heat preservation reaction 2 h 75 ℃, and then reaction and add the rest of the monomer and initiator, control 4 - 5 hours add up, and then heat up to 90 - 91 ℃, the heat preservation cooling below 50 ℃, half an hour with ammonia water pH adjustment to 6 - 6. 5, stop stirring, discharging copolymerization emulsion. Hot melt adhesive is a kind of plasticity strong adhesive, and the adhesive can be adhesive, and a variety of substances can changes with temperature changes in the nature, after curing adhesion, adhesive strength is big, so many industries can use this kind of adhesive. If the adhesive is for ordinary families, the quality is not important. If it is used in the industrial field, requires attention to quality, so how to determine the quality of the hot-melt adhesive? Commonly used grinding wheel is mainly with phenolic resin adhesive bonding. ( 3) Compound modification to improve some properties of the waterborne polyurethane, and other water-based resin such as epoxy resin emulsion, urea-formaldehyde resin, such as blending, made the new water-based adhesive, its performance is improved. Ma on shan 5 full range of pressure sensitive adhesive complaints, pur hot melt adhesive machine in the transport and handling process, must always keep pur hot melt adhesive machine is vertical, if inclined handling or transportation will damage the positioning precision of pur hot melt glue machine, may also be damaged pur hot melt adhesive machine.
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